Adult Psychiatry 1.2 Flashcards
What did Kendell show in his 1996 study?
Pregnancy induced hypertension increased the risk of psychosis almost 9 fold
What obstetric events are linked to schizophrenia?
Low birth weight, small for gestational age
Perinatal factors e.g. PIH
Hypoxic events e.g. PROM
What is used to measure obstetric complications during childbirth?
Lewis-Murray scale
Which study started research into cannabis and schizophrenia?
Swedish study in 1960s by Andreassen
What did the Dunedin cohort show re cannabis and schizophrenia?
Exposure at 15 to cannabis compared to 26 showed there was an association with psychosis
What did Bauml et al divide psychosocial interventions into?
Obligatory
Voluntary
What is basic level competency?
Process of empowerment of patients and relatives to understand and accept the illness and cope with it in a successful manner
Examples of voluntary psycho-social interventions
Individual behavioural therapy
Communication training
Family therapy
What is the most basic and important part of psychosocial intervention for schizophrenia?
Psychoeducation
Who first employed the term psychoeducation?
ANderson
What did psychoeducation first consist of?
Briefing patient about their illness
Problem solving
Communicatino training
Self-assertiveness training
What does Cochrane review of psychoeducation for schizophrenia show?
Reduction in relapse
Improved compliance
Who did studies into high expressed emotion in families of schizophrenia?
Brown & Rutter
What did Brown & Rutter show in families with schizophrenia?
Patients in families with high expressed emotion were more likely to experience a relapse during the following year despite medication
Impact of family therapy on schizophrenia?
Reduces relapse rate from 64% to 24% when there is high expressed emotion
When is family therapy for schizophrenia more effective?
If baseline risk of relapse is increased
NNT for family therapy for relapse prevention in schizophrenia?
6
Who created the framework for social skills training?
Bellack and Mueser
What are the forms of social skills training?
Basic Model
Social problem-solving model
Cognitive remediation model
What is the basic model of social skills training?
Complex social repertoires are broken down into simpler steps, practiced through role playing and applied in natural settings.
What is the social problem-solving model?
Focuses on improving impairments in information processing that are assumed to be the cause of social skills deficits.
Targets things like medication and sx management, self-care.
What is the cognitive remediation model in social skills training?
Corrective learning process begins by targeting fundamental cognitive impairments like attention & planning.
What did Birchwood say re CBT for schizophrenia?
Target is emotional dysfunction that accompanies psychotic experience and not the sx themselves.
What did Turkington describe re the elements of CBT for psychosis?
Therapeutic alliance - validation
Improving medication adherence
Providing alternate explanations to unusual experiences
Decreasing impact of positive sx
Graded reality testing using peripheral questioning and inference chaining
What did a meta-analysis for CBT in psychosis show?
34 trials concluded positive beneficial effects for target sx
No effect on hopelessness
Competitive employment rate for those with SMI?
<20%
Elements of supported employment?
Goal of permanent competitive employment
Minimal screening for employability
Avoidance of preoccupational training
Individualized placement
Time-unlimited support
Consideration of preferences
Unweighted mean of patients in supported employment programs for obtaining competitive employment?
65% vs 26% in controls
Relapse rate of psychosis in one year irrespective of treatment
27%
Relapse rate of psychosis in one year if not on treatment
61%
Relapse rate of psychosis regardless of treatment if patient has 5 or more episodes in one year?
48%
Relapse rate of psychosis if no treatment of patient who has had 5 or more episodes in one year?
87%
Relapse rate of psychosis in one year regardless of treatment for patients living in stressful environments?
62%
Relapse rate of psychosis in one year if receiving antipsychotics and family education?
19%
Relapse rate of psychosis in one year if receiving antipsychotics and social skills training?
20%
Definition of recovery for schizophrenia
GAF>60
Recovery rate of schizophrenia at 15 years
37% with schizophrenia
54% with other psychoses
Who did a meta-analysis into schizophrenia and suicide?
Palmer et al
Lifetime prevalence of suicide in schizophrenia?
5.6%
Self-harm rates in people with schizophrenia
38% had at least one episode in 2-12 year follow up period
Median standardised mortality rate for schizophrenia?
2.58
Is standardised mortality rate increasing or decreasing for schizophrenia?
Increasing
Which subtypes of schizophrenia have the best outcome?
Paranoid
Catatonic
Which subtype of schizophrenia has the worst outcome?
Hebephrenic
Which study looked into prognosis of schizophrenia?
187 schizophrenic patient study from Chestnut Loge over 19 years
What did Chestnut Lodge study show re prognosis of paranoid schizophrenia?
Paranoid patients had older age of onset, developed rapidly in people with good functioning, was intermittent during first 5 years and associated with good recovery.
What did Chestnut Lodge study show re prognosis of hebephrenic schizophrenia?
Earlier age of onset
Poor premorbid functioning
Continuous illness
Poor long-term prognosis
What did Chestnut Lodge study show re undifferentiated schizophrenia and its prognosis?
Poorly distinguished from patients premorbid state
Early hx of behavioural difficulties
Continuous but stable disability
Factors suggestive of good prognosis for schizophrenia
Late onset
Obvious precipitating factors
acute onset
Good premorbid adjustment
Affective sx
Married
FHx of affective disorders
Good social support
Positive sx only
Good initial response to Rx
What is the best predictor of a good prognosis of schizophrenia?
Good initial response to treatment
Poor prognostic factors for schizophrenia
Early onset
No precipitating factors
Insidious onset
Poor premorbid adjustment
Social withdrawal
Single/divorced/widowed
FHx of schizophrenia
Poor social network/High EE families
Negative sx
Poor compliance
Neurological sx
Hx of perinatal trauma
No remissions in 3 years
Many relapses
Hx of violence
Best predictors of poor short-term outcome in acute psychosis
Stressful live events
High EE
Non-compliance
Predictors of good medium (2-5 years) outcome in
psychosis?
Females
Married
Social contacts outside home
Acute onset
Best predictor of course of schizophrenia?
Course of illness n first 2 years
Which antipsychotics show an effect size difference from first generation antipsychotics?
Clozapine
What did CATIE and CUtLASS studies show?
Second generation drugs are no better than first in terms of efficacy and cost
Olanzapine better than other atypicals for attrition
Who did a meta-analysis into dose comparison of antipsychotics for psychoses?
Davis & Chen, 2003
What did Davis & Chen 2002 find re doses for antipsychotics for psychoses?
Maximal effective dose of Haloperidol ranges from 3.3-10mg/day
No evidence that higher doses more effective
Best doses for atypical antipsychotics
Aripiprazole 10mg/day
Clozapine >400mg/day
Olanzapine 5mg/day
Risperidone 2mg/day
Guidelines for Chlorpromazine dose/day
100mg.day
Guidelines for Quetiapine dose/day
75mg/day
Guidelines for Ziprasidone dose/day
60mg/day
Guidelines for Aripiprazole dose/day
7.5mg/day
What did Essock et al. 2007 do with the CATIE study?
Used data to find out whether switching or staying with same medication was useful
What did Essock et al 2002 find?
People who stayed on same medication did better, particularly for Olanzapine.
Best medication for aggression?
Clozapine
Olanzapine
Haloperidol
(in that order)